An Aviator's Field Book is a classic aviation guide By Oswald Boelcke and Robert Reynold Hirsch. An unassuming book, still one of those which grip the reader from beginning to end. When the author started to write his daily impressions and adventures, it was to keep in touch with his people, to quiet those who feared for his safety every moment, and at the same time to give them a clear idea of his life. Without boasting, modestly and naturally, he describes the adventures of an aviator in the great World War. It could well serve as a guide to those who are studying aviation. Although he has avoided the stilted tone of the school-master, still his accomplishments as a knight of the air must fascinate any who know aviation. For the aviators as well as their machines have accomplished wonders. They are rightly called the eyes of the army--these iron-nerved boys who know no fear. Admiral Schley's historic words after the battle of Santiago: "There will be honor enough for us all" can well be said of the aviators of all nations now at war. For in spite of all enmity the aviators have followed the knightly code of old which respects a good opponent and honors him.